<html>
<head>
<meta charset="utf-8">
<title>注册</title>
<style>
    body {
        background-image: url("backgroud.png");
        font-family: Arial, sans-serif;
        text-align: center;
        }
     form {
            margin: 20px auto;
            width: 300px;
            padding: 20px;
            border: 1px solid #ccc;
            border-radius: 5px;
            background-image: url("backgroud.png");
        }
</style>
</head>
<body>

    <div id="header" style="background-color:#e0ddde;">

<h2>注册</h2>

<form action="register.php" method="post">

用户名:<input type="text" name="username"><br>
密码:<input type="password" name="password"><br>
<input type="submit" name="提交"><br>

</form>

</div>
 
</body>

</html>